Implement holder for a hat or cap



FIG. 1 is a perspective view of an implement holder for a cap or hat showing my new design, the broken line showing of the cap and pencil is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof. 

I claim the ornamental design for the implement holder for a hat or cap, as shown and described. 